The article “Effects of Diets with Whole Plant-Origin Proteins Added with Different Ratiosof Taurine:Methionine on the Growth, Macrophage Activity and Antioxidant Capacity ofRainbow Trout (Oncorhynchus mykiss) Fingerlings” (O. Hernandez, L. Hernandez, et al.,Veterinary and Animal Science, 2017:4-9) reports that a sample of 210 juvenile rainbowtrout fed a diet fortified with equal amounts of the amino acids taurine and methionine for aperiod of 70 days had a mean weight gain of 313 percent with a standard deviation of 25, while 210 fish fed with a control diet had a mean weight gain of 233 percent with a standard deviation of 19. Units are percent. Find a 99% confidence interval for the difference in weight gain on the two diets.
The article “Effects of Diets with Whole Plant-Origin Proteins Added with Different Ratios
of Taurine:Methionine on the Growth, Macrophage Activity and Antioxidant Capacity of
Rainbow Trout (Oncorhynchus mykiss) Fingerlings” (O. Hernandez, L. Hernandez, et al.,
Veterinary and Animal Science, 2017:4-9) reports that a sample of 210 juvenile rainbow
trout fed a diet fortified with equal amounts of the amino acids taurine and methionine for a
period of 70 days had a mean weight gain of 313 percent with a standard deviation of 25, while 210 fish fed with a control diet had a mean weight gain of 233 percent with a standard
deviation of 19. Units are percent. Find a 99% confidence interval for the difference in
weight gain on the two diets.
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